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Cisco Bug: CSCvv64138 - sessmgr restart function: egtpc_allocate_new_bearers()

Last Modified

Oct 13, 2020

Products (1)

  • Cisco MME Mobility Management Entity

Known Affected Releases

21.16.1.73543

Description (partial)

Symptom:
sessmgr restart, KPI monitoring impacted due to loss of stats because of sessmgr restart

Conditions:
For UE initiated PDN Connection Creation,
UE sends PDN Connectivity request to MME.
MME sends CSReq to SGW.
MME doesnt receive CSResp.
MME receives CBReq from SGW.
MME retries CSReq to SGW
SGW sends failure CSResp to MME. MME retries CSReq with two bearers and sessmgr is restarting.
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